SCENARIO 4-6 at a Texas College,60% of the Students Are from the from the Southern

Short Answer

SCENARIO 4-6
At a Texas college,60% of the students are from the southern part of the state,30% are from the northern part of the state,and the remaining 10% are from out-of-state.All students must take and pass an Entry Level Math (ELM)test.60% of the southerners have passed the ELM,70% of the northerners have passed the ELM,and 90% of the out-of-staters have passed the ELM.
-Referring to Scenario 4-6,if a randomly selected student has not passed the ELM,the probability the student is not from northern Texas is_____ .